It takes saves dog about 20 days to finish a 50 pound bag of dog food which is the best estimate of the number of pounds of dog food. saves dog eat in one year

Are you sure you meant "saves dog?"

Recall that there are approx. 360 days in each year.

Write and solve an equation of ratios:

 20 days         50 lb bag
=
 360 days             x

Find x:            20x = 50(360), or x = 900 lb per one year.

This makes absolutely no sense at all young man/women